If you don't use brand-name trademarks, of course no one will buy them.
The exclusive right to use a trademark includes two aspects: the right to use and the right to prohibit, in which the right to use is the right of the trademark owner to completely control and use the registered trademark; Prohibition refers to the right of a trademark owner to prohibit others from using his registered trademark without permission. In order to realize the effectiveness of trademark rights, it is necessary to combine trademarks with products. However, this combination can only belong to the trademark owner or its authorized manufacturer. Without exhaustion doctrine, no other individual or organization may combine the trademark with the product. Obviously, the process of assembling products by the actor's "renovation of old things" is a manufacturing process. In this process, the actor did not forge or alter the trademark. However, for the direct purpose of manufacturing the trademark product, assembling the shell with the trademark with other parts with the trademark has entered the category of trademark use that the trademark owner of the product should monopolize. This unauthorized combination behavior constitutes "use" in the sense of trademark. Because the subjective understanding of the crime of counterfeiting registered trademarks can be inferred from the objective counterfeiting behavior, under the condition that the subject is suitable, the act of "renovating old things" and selling them in large quantities constitutes the crime of counterfeiting registered trademarks.